@article {belikov_tac,
	title = {Adjoint polynomial formulas for nonlinear state-space realization},
	journal = {IEEE Transactions on Automatic Control},
	volume = {59},
	number = {1},
	year = {2014},
	pages = {256{\textendash}261},
	author = {Juri Belikov and {\"U}lle Kotta and M. T{\~o}nso}
}
